document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172662>Question 172662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if a+1=b*2 and b+1=a what is a? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #127521 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=127521\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  a+1=b*2 <BR>\n" );
document.write( " b+1=a <BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "what is a?<BR>\n" );
document.write( "b = a-1<BR>\n" );
document.write( "Substitute to solve for \"a\":<BR>\n" );
document.write( "a+1 = (a-1)^2<BR>\n" );
document.write( "a+1 = a^2 -2a + 1<BR>\n" );
document.write( "a^2 -3a = 0<BR>\n" );
document.write( "a(a-3) = 0<BR>\n" );
document.write( "a = 0 or a = 3<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );